Example usage for org.eclipse.swt.widgets Composite computeSize

Introduction

In this page you can find the example usage for org.eclipse.swt.widgets Composite computeSize.

Prototype

public Point computeSize(int wHint, int hHint) 

Source Link

Document

Returns the preferred size of the receiver.

Usage

From source file:org.eclipse.swt.snippets.Snippet188.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 188");
    shell.setLayout(new GridLayout());
    final ScrolledComposite sc = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    sc.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    Composite c = new Composite(sc, SWT.NONE);
    c.setLayout(new GridLayout(10, true));
    for (int i = 0; i < 300; i++) {
        Button b = new Button(c, SWT.PUSH);
        b.setText("Button " + i);
    }//from w ww  .j  a va 2  s . c  o m
    sc.setContent(c);
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);
    sc.setMinSize(c.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    sc.setShowFocusedControl(true);

    shell.setSize(300, 500);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:ScrollWidgetViewFocusIn.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    Button b1 = new Button(shell, SWT.PUSH);
    b1.setText("top");
    b1.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));
    final ScrolledComposite sc = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    sc.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    Composite c = new Composite(sc, SWT.NONE);
    c.setLayout(new GridLayout(10, true));
    for (int i = 0; i < 300; i++) {
        Button b = new Button(c, SWT.PUSH);
        b.setText("Button " + i);
    }/*  www .  ja v a 2 s.  c  om*/
    Button b2 = new Button(shell, SWT.PUSH);
    b2.setText("bottom");
    b2.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));

    sc.setContent(c);
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);
    sc.setMinSize(c.computeSize(SWT.DEFAULT, SWT.DEFAULT));

    Listener listener = new Listener() {
        public void handleEvent(Event e) {
            Control child = (Control) e.widget;
            Rectangle bounds = child.getBounds();
            Rectangle area = sc.getClientArea();
            Point origin = sc.getOrigin();
            if (origin.x > bounds.x)
                origin.x = Math.max(0, bounds.x);
            if (origin.y > bounds.y)
                origin.y = Math.max(0, bounds.y);
            if (origin.x + area.width < bounds.x + bounds.width)
                origin.x = Math.max(0, bounds.x + bounds.width - area.width);
            if (origin.y + area.height < bounds.y + bounds.height)
                origin.y = Math.max(0, bounds.y + bounds.height - area.height);
            sc.setOrigin(origin);
        }
    };
    Control[] controls = c.getChildren();
    for (int i = 0; i < controls.length; i++) {
        controls[i].addListener(SWT.Activate, listener);
    }
    shell.setSize(300, 500);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:ExpandBarControlsAdding.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.setText("ExpandBar Example");
    ExpandBar bar = new ExpandBar(shell, SWT.V_SCROLL);
    Image image = new Image(display, "yourFile.gif");

    // First item
    Composite composite = new Composite(bar, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.marginLeft = layout.marginTop = layout.marginRight = layout.marginBottom = 10;
    layout.verticalSpacing = 10;//from w  w  w.java 2 s. c  om
    composite.setLayout(layout);
    Button button = new Button(composite, SWT.PUSH);
    button.setText("SWT.PUSH");
    button = new Button(composite, SWT.RADIO);
    button.setText("SWT.RADIO");
    button = new Button(composite, SWT.CHECK);
    button.setText("SWT.CHECK");
    button = new Button(composite, SWT.TOGGLE);
    button.setText("SWT.TOGGLE");
    ExpandItem item0 = new ExpandItem(bar, SWT.NONE, 0);
    item0.setText("What is your favorite button");
    item0.setHeight(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
    item0.setControl(composite);
    item0.setImage(image);

    item0.setExpanded(true);

    bar.setSpacing(8);
    shell.setSize(400, 350);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    image.dispose();
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet166.java

public static void main(String[] args) {
    Display display = new Display();
    Image image1 = display.getSystemImage(SWT.ICON_WORKING);
    Image image2 = display.getSystemImage(SWT.ICON_QUESTION);
    Image image3 = display.getSystemImage(SWT.ICON_ERROR);

    Shell shell = new Shell(display);
    shell.setText("Snippet 166");
    shell.setLayout(new FillLayout());

    final ScrolledComposite scrollComposite = new ScrolledComposite(shell, SWT.V_SCROLL | SWT.BORDER);

    final Composite parent = new Composite(scrollComposite, SWT.NONE);
    for (int i = 0; i <= 50; i++) {
        Label label = new Label(parent, SWT.NONE);
        if (i % 3 == 0)
            label.setImage(image1);//from  w ww . j ava  2  s  .  co m
        if (i % 3 == 1)
            label.setImage(image2);
        if (i % 3 == 2)
            label.setImage(image3);
    }
    RowLayout layout = new RowLayout(SWT.HORIZONTAL);
    layout.wrap = true;
    parent.setLayout(layout);

    scrollComposite.setContent(parent);
    scrollComposite.setExpandVertical(true);
    scrollComposite.setExpandHorizontal(true);
    scrollComposite.addControlListener(ControlListener.controlResizedAdapter(e -> {
        Rectangle r = scrollComposite.getClientArea();
        scrollComposite.setMinSize(parent.computeSize(r.width, SWT.DEFAULT));
    }));

    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet223.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.setText("ExpandBar Example");
    ExpandBar bar = new ExpandBar(shell, SWT.V_SCROLL);
    Image image = display.getSystemImage(SWT.ICON_QUESTION);

    // First item
    Composite composite = new Composite(bar, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.marginLeft = layout.marginTop = layout.marginRight = layout.marginBottom = 10;
    layout.verticalSpacing = 10;/*  w  ww . j a  v a 2s  .c  o m*/
    composite.setLayout(layout);
    Button button = new Button(composite, SWT.PUSH);
    button.setText("SWT.PUSH");
    button = new Button(composite, SWT.RADIO);
    button.setText("SWT.RADIO");
    button = new Button(composite, SWT.CHECK);
    button.setText("SWT.CHECK");
    button = new Button(composite, SWT.TOGGLE);
    button.setText("SWT.TOGGLE");
    ExpandItem item0 = new ExpandItem(bar, SWT.NONE, 0);
    item0.setText("What is your favorite button");
    item0.setHeight(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
    item0.setControl(composite);
    item0.setImage(image);

    // Second item
    composite = new Composite(bar, SWT.NONE);
    layout = new GridLayout(2, false);
    layout.marginLeft = layout.marginTop = layout.marginRight = layout.marginBottom = 10;
    layout.verticalSpacing = 10;
    composite.setLayout(layout);
    Label label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_ERROR));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_ERROR");
    label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_INFORMATION));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_INFORMATION");
    label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_WARNING));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_WARNING");
    label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_QUESTION));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_QUESTION");
    ExpandItem item1 = new ExpandItem(bar, SWT.NONE, 1);
    item1.setText("What is your favorite icon");
    item1.setHeight(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
    item1.setControl(composite);
    item1.setImage(image);

    // Third item
    composite = new Composite(bar, SWT.NONE);
    layout = new GridLayout(2, true);
    layout.marginLeft = layout.marginTop = layout.marginRight = layout.marginBottom = 10;
    layout.verticalSpacing = 10;
    composite.setLayout(layout);
    label = new Label(composite, SWT.NONE);
    label.setText("Scale");
    new Scale(composite, SWT.NONE);
    label = new Label(composite, SWT.NONE);
    label.setText("Spinner");
    new Spinner(composite, SWT.BORDER);
    label = new Label(composite, SWT.NONE);
    label.setText("Slider");
    new Slider(composite, SWT.NONE);
    ExpandItem item2 = new ExpandItem(bar, SWT.NONE, 2);
    item2.setText("What is your favorite range widget");
    item2.setHeight(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
    item2.setControl(composite);
    item2.setImage(image);

    item1.setExpanded(true);
    bar.setSpacing(8);
    shell.setSize(400, 350);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    image.dispose();
    display.dispose();
}

---

From source file:ScrolledCompositeCreate.java

public static void main(String[] args) {
    Display display = new Display();
    Image image1 = display.getSystemImage(SWT.ICON_WORKING);
    Image image2 = display.getSystemImage(SWT.ICON_QUESTION);
    Image image3 = display.getSystemImage(SWT.ICON_ERROR);

    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());

    final ScrolledComposite scrollComposite = new ScrolledComposite(shell, SWT.V_SCROLL | SWT.BORDER);

    final Composite parent = new Composite(scrollComposite, SWT.NONE);
    for (int i = 0; i <= 50; i++) {
        Label label = new Label(parent, SWT.NONE);
        if (i % 3 == 0)
            label.setImage(image1);//w ww. j ava  2 s . c om
        if (i % 3 == 1)
            label.setImage(image2);
        if (i % 3 == 2)
            label.setImage(image3);
    }
    RowLayout layout = new RowLayout(SWT.HORIZONTAL);
    layout.wrap = true;
    parent.setLayout(layout);

    scrollComposite.setContent(parent);
    scrollComposite.setExpandVertical(true);
    scrollComposite.setExpandHorizontal(true);
    scrollComposite.addControlListener(new ControlAdapter() {
        public void controlResized(ControlEvent e) {
            Rectangle r = scrollComposite.getClientArea();
            scrollComposite.setMinSize(parent.computeSize(r.width, SWT.DEFAULT));
        }
    });

    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

---

From source file:ExpandBarIconAddingSystem.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.setText("ExpandBar Example");
    ExpandBar bar = new ExpandBar(shell, SWT.V_SCROLL);
    Image image = new Image(display, "yourFile.gif");

    // First item
    Composite composite = new Composite(bar, SWT.NONE);
    GridLayout layout = new GridLayout(2, false);
    layout.marginLeft = layout.marginTop = layout.marginRight = layout.marginBottom = 10;
    layout.verticalSpacing = 10;//from   w  w  w . j  a v a  2s .com
    composite.setLayout(layout);
    Label label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_ERROR));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_ERROR");
    label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_INFORMATION));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_INFORMATION");
    label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_WARNING));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_WARNING");
    label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_QUESTION));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_QUESTION");
    ExpandItem item0 = new ExpandItem(bar, SWT.NONE, 0);
    item0.setText("What is your favorite button");
    item0.setHeight(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
    item0.setControl(composite);
    item0.setImage(image);

    item0.setExpanded(true);

    bar.setSpacing(8);
    shell.setSize(400, 350);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    image.dispose();
    display.dispose();
}

---

From source file:org.eclipse.swt.examples.controlexample.ExpandBarTab.java

/**
 * Creates the "Example" widgets.//w  w w  .  j ava  2s  .  c o  m
 */
@Override
void createExampleWidgets() {

    /* Compute the widget style */
    int style = getDefaultStyle();
    if (borderButton.getSelection())
        style |= SWT.BORDER;
    if (verticalButton.getSelection())
        style |= SWT.V_SCROLL;

    /* Create the example widgets */
    expandBar1 = new ExpandBar(expandBarGroup, style);

    // First item
    Composite composite = new Composite(expandBar1, SWT.NONE);
    composite.setLayout(new GridLayout());
    new Button(composite, SWT.PUSH).setText("SWT.PUSH");
    new Button(composite, SWT.RADIO).setText("SWT.RADIO");
    new Button(composite, SWT.CHECK).setText("SWT.CHECK");
    new Button(composite, SWT.TOGGLE).setText("SWT.TOGGLE");
    ExpandItem item = new ExpandItem(expandBar1, SWT.NONE, 0);
    item.setText(ControlExample.getResourceString("Item1_Text"));
    item.setHeight(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
    item.setControl(composite);
    item.setImage(instance.images[ControlExample.ciClosedFolder]);

    // Second item
    composite = new Composite(expandBar1, SWT.NONE);
    composite.setLayout(new GridLayout(2, false));
    new Label(composite, SWT.NONE).setImage(display.getSystemImage(SWT.ICON_ERROR));
    new Label(composite, SWT.NONE).setText("SWT.ICON_ERROR");
    new Label(composite, SWT.NONE).setImage(display.getSystemImage(SWT.ICON_INFORMATION));
    new Label(composite, SWT.NONE).setText("SWT.ICON_INFORMATION");
    new Label(composite, SWT.NONE).setImage(display.getSystemImage(SWT.ICON_WARNING));
    new Label(composite, SWT.NONE).setText("SWT.ICON_WARNING");
    new Label(composite, SWT.NONE).setImage(display.getSystemImage(SWT.ICON_QUESTION));
    new Label(composite, SWT.NONE).setText("SWT.ICON_QUESTION");
    item = new ExpandItem(expandBar1, SWT.NONE, 1);
    item.setText(ControlExample.getResourceString("Item2_Text"));
    item.setHeight(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
    item.setControl(composite);
    item.setImage(instance.images[ControlExample.ciOpenFolder]);
    item.setExpanded(true);
}

---

From source file:org.eclipse.swt.examples.controlexample.ControlExample.java

/**
 * Creates an instance of a ControlExample embedded inside
 * the supplied parent Composite./*from   w w  w  . j  a  v a 2  s.  co m*/
 *
 * @param parent the container of the example
 */
public ControlExample(Composite parent) {
    initResources();
    tabFolder = new TabFolder(parent, SWT.NONE);
    tabs = createTabs();
    for (Tab tab : tabs) {
        TabItem item = new TabItem(tabFolder, SWT.NONE);
        item.setText(tab.getTabText());
        item.setControl(tab.createTabFolderPage(tabFolder));
        item.setData(tab);
    }

    /* Workaround: if the tab folder is wider than the screen,
     * Mac platforms clip instead of somehow scrolling the tab items.
     * We try to recover some width by using shorter tab names. */
    Point size = parent.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    Rectangle monitorArea = parent.getMonitor().getClientArea();
    boolean isMac = SWT.getPlatform().equals("cocoa");
    if (size.x > monitorArea.width && isMac) {
        TabItem[] tabItems = tabFolder.getItems();
        for (int i = 0; i < tabItems.length; i++) {
            tabItems[i].setText(tabs[i].getShortTabText());
        }
    }
    startup = false;
}

---

From source file:edu.isistan.carcha.plugin.editors.TraceabilityEditor.java

/**
 * Creates the impact list page.//  w  ww.j a  v  a  2s.c om
 */
void impactListPage() {
    final Composite composite = new Composite(getContainer(), SWT.NONE);
    composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1));
    composite.setLayout(new GridLayout());

    Label concernLabel = new Label(composite, SWT.BORDER);
    concernLabel.setText("Crosccuting Concerns(CCC)");
    concernLabel.setToolTipText("This are the concern detected on the requierement document.");
    GridData gridData = new GridData(SWT.LEFT, SWT.TOP, false, false);
    concernLabel.setLayoutData(gridData);

    /////////////////////
    ScrolledComposite sc = new ScrolledComposite(composite, SWT.H_SCROLL | SWT.V_SCROLL);
    Composite parent = new Composite(sc, SWT.NONE);
    parent.setLayout(new GridLayout());

    topViewLink = new TableViewer(parent, SWT.BORDER);
    createColumns(parent, topViewLink);

    final Table table = topViewLink.getTable();
    table.setHeaderVisible(true);
    table.setLinesVisible(true);

    topViewLink.setContentProvider(new ArrayContentProvider());

    getSite().setSelectionProvider(topViewLink);
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, false);
    data.heightHint = 10 * table.getItemHeight();
    table.setLayoutData(data);

    sc.setContent(parent);
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);
    sc.setMinSize(parent.computeSize(SWT.DEFAULT, SWT.DEFAULT));

    /////////////////////

    Button button = new Button(composite, SWT.PUSH);
    button.setText("Remove");
    button.addSelectionListener(new SelectionListener() {
        public void widgetDefaultSelected(SelectionEvent event) {
        }

        public void widgetSelected(SelectionEvent event) {
            IStructuredSelection topSelection = (IStructuredSelection) topViewLink.getSelection();
            IStructuredSelection bottomSelection = (IStructuredSelection) bottomViewLink.getSelection();

            String[] crosscuttingConcern = (String[]) topSelection.getFirstElement();
            String[] designDecision = (String[]) bottomSelection.getFirstElement();
            if (topSelection.size() > 1) {
                MessageDialog.openError(composite.getShell(), "Error",
                        "Please select one crosscutting concern");
            } else {
                if ((crosscuttingConcern != null) && (designDecision != null)) {
                    // create dialog with ok and cancel button and info icon
                    MessageBox dialog = new MessageBox(composite.getShell(),
                            SWT.ICON_QUESTION | SWT.OK | SWT.CANCEL);
                    dialog.setText("Link confirmation");
                    dialog.setMessage("Do you want to remove the link between the selected items?");

                    // open dialog and await user selection
                    int response = dialog.open();
                    if (response == SWT.OK) {
                        PluginUtil.removeLink(crosscuttingConcern, designDecision, cp);
                        dirty = true;
                        firePropertyChange(IEditorPart.PROP_DIRTY);
                        // update the list after the remove
                        generateLinkViewData();
                        bottomViewLink.getTable().clearAll();
                    }
                } else {
                    MessageDialog.openError(composite.getShell(), "Error",
                            "Please select a crosscutting concern and a design decision to remove a traceability link");
                }
            }
        }
    });
    gridData = new GridData(SWT.CENTER, SWT.TOP, false, false, 2, 1);
    button.setLayoutData(gridData);

    Label ddsLabel = new Label(composite, SWT.BORDER);
    ddsLabel.setText("Architectural design decisions");
    ddsLabel.setToolTipText("This are the design decisions detected on the architectural document");

    gridData = new GridData(SWT.LEFT, SWT.TOP, false, false);
    ddsLabel.setLayoutData(gridData);

    bottomViewLink = new TableViewer(composite,
            SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
    createColumns(composite, bottomViewLink);
    Table table2 = bottomViewLink.getTable();
    table2.setHeaderVisible(true);
    table2.setLinesVisible(true);
    bottomViewLink.setContentProvider(new ArrayContentProvider());
    topViewLink.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            if (!selection.isEmpty()) {
                String[] cccs = (String[]) selection.getFirstElement();
                List<DesignDecision> dds = PluginUtil.getDesignDecisionsForCrossCuttingConcern(cp, cccs[1],
                        cccs[0]);
                logger.info("Impact List for CCC (" + dds.size() + " DDD): " + cccs[0] + " - " + cccs[1]);
                List<String[]> designDecisions = new ArrayList<String[]>();

                for (DesignDecision dd : dds) {
                    String[] designDecision = { dd.getKind(), dd.getName() };
                    designDecisions.add(designDecision);
                }
                bottomViewLink.setInput(designDecisions);
            }
        }
    });
    getSite().setSelectionProvider(bottomViewLink);
    gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
    bottomViewLink.getControl().setLayoutData(gridData);

    int index = addPage(composite);
    setPageText(index, "Links");
}

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